144344246 has 16 divisors (see below), whose sum is σ = 236649600. Its totient is φ = 65735040.

The previous prime is 144344227. The next prime is 144344257. The reversal of 144344246 is 642443441.

It is a happy number.

It is a super-2 number, since 2×144344246² = 41670522706617032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67421 + ... + 69528.

It is an arithmetic number, because the mean of its divisors is an integer number (14790600).

Almost surely, 2^144344246 is an apocalyptic number.

144344246 is a deficient number, since it is larger than the sum of its proper divisors (92305354).

144344246 is a wasteful number, since it uses less digits than its factorization.

144344246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136999.

The product of its digits is 36864, while the sum is 32.

The square root of 144344246 is about 12014.3350211320. The cubic root of 144344246 is about 524.5656222580.

Adding to 144344246 its reverse (642443441), we get a palindrome (786787687).

The spelling of 144344246 in words is "one hundred forty-four million, three hundred forty-four thousand, two hundred forty-six".